Free tools for fun & misc calculations and conversions. All tools run in your browser with no data sent to any server.
All Fun & Misc Tools
BPM Tapper
Tap to estimate beats per minute
Dice Roller
Roll virtual dice for D&D and tabletop games with multiple dice types
Instrument Tuner
Tune guitar, ukulele, bass, and more using your microphone
Text to ASCII Art
Convert text into large ASCII art letters with multiple styles
Before & After Slider
Compare two images with an interactive before/after slider
Clothing Size Converter
Convert between US, UK, EU, and international clothing sizes
Ring Size Converter
Convert ring sizes between US, UK, EU, and millimeters
Recipe Scaler
Scale recipe ingredients up or down for any number of servings
Creative Writing Prompt Generator
Generate random story ideas, character concepts, and writing inspiration
Chart Generator
Create pie, bar, line, and donut charts from your data
Age On Other Planets Calculator
Calculate your age on Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto
Reaction Time Test
Test your reflexes by clicking when the screen turns green
Click Speed Test
Test your click speed and measure clicks per second (CPS) over timed intervals
Username Generator
Generate random usernames for social media, gaming, and any platform
Bingo Card Generator
Generate printable bingo cards with numbers or custom words
Zodiac Sign Calculator
Find your Western zodiac sign, element, and personality traits from your birthday
Numerology Life Path Calculator
Calculate your numerology life path number and discover its meaning
Moon Phase Calculator
See today's moon phase or calculate the moon phase for any date
Dog Age Calculator
Convert dog years to human years based on breed size
Cat Age Calculator
Convert cat years to human years with life stage classification
Lottery Number Generator
Generate random lottery numbers for Powerball, Mega Millions, and more
Fish Tank Stocking Calculator
Calculate how many fish your aquarium can safely hold
eDPI Calculator
Calculate effective DPI and cm/360 for competitive gaming mouse sensitivity
Crosshair Generator
Design custom gaming crosshairs with adjustable size, color, and style
Biorhythm Calculator
Chart your physical, emotional, and intellectual biorhythm cycles